Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  31 Per  ·  33 alf Per  ·  34 Per  ·  HD20510  ·  HD20675  ·  HD20808  ·  HD20809  ·  HD20919  ·  HD20931  ·  HD20969  ·  HD20986  ·  HD21005  ·  HD21071  ·  HD21085  ·  HD21238  ·  HD21268  ·  HD21278  ·  HD21302  ·  HD21332  ·  HD21345  ·  HD21362  ·  HD21375  ·  HD21480  ·  HD232784  ·  Mirphak  ·  Perseus  ·  The star 31Per  ·  The star 34Per  ·  The star Mirfak (αPer)
Merphak, Merfak, Alpha Persei, Chris Gifford
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Merphak, Merfak, Alpha Persei

Merphak, Merfak, Alpha Persei, Chris Gifford
Powered byPixInsight

Merphak, Merfak, Alpha Persei

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Description

Alpha Persei ,formally named Mirfak, is the brightest star in the northern constellation of Perseus, outshining the constellation's best-known star, Algol. Alpha Persei has an apparent visual magnitude of 1.8, and is a circumpolar star when viewed from mid-northern latitudes.

Alpha Persei lies in the midst of a cluster of stars named as the eponymous Alpha Persei Cluster, or Melotte 20, which is easily visible in binoculars and includes many of the fainter stars in the constellation. Determined distance using the trigonometric parallax, places the star 510 light-years (160 parsecs) from the Sun.

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Merphak, Merfak, Alpha Persei, Chris Gifford

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